Home / 681,856,340.36-1,022,803,566.46-221,794,511.40

Finding the Fourth Proportional to 681,856,340.36, 1,022,803,566.46 and 221,794,511.40

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Solution

The fourth proportional to 681,856,340.36, 1,022,803,566.46 and 221,794,511.40 is: 332,697,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,856,340.36 : 1,022,803,566.46 = 221,794,511.40 : x
  2. Step 2: Convert to fraction form
    681,856,340.36/1,022,803,566.46 = 221,794,511.40/x
  3. Step 3: Cross multiply
    681,856,340.36x = 1,022,803,566.46 × 221,794,511.40
  4. Step 4: Simplify right side
    681,856,340.36x = 226,852,217,281,173,152
  5. Step 5: Solve for x
    x = 226,852,217,281,173,152/681,856,340.36
  6. Step 6: Final answer
    x = 332,697,965.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.